The generator matrix

 1  0  0  1  1  1  2  1  1  6  1  1  2  6  4  2  2  0  4  1  1  4  1  1  1  1  4  2  1  1  4
 0  1  0  2  1  3  1  0  6  4  1  7  1  1  2  1  2  1  1  2  0  1  7  5  6  5  2  1  2  4  4
 0  0  1  1  3  6  1  6  3  1  1  4  2  3  1  4  1  3  1  2  3  7  1  0  3  0  1  7  2  2  4
 0  0  0  4  0  0  0  0  4  0  4  4  4  4  0  0  4  0  0  4  4  0  0  0  4  4  4  4  0  4  0
 0  0  0  0  4  0  0  0  0  0  4  0  0  0  4  4  4  0  4  4  4  0  4  4  4  4  4  4  4  4  0
 0  0  0  0  0  4  0  0  0  0  0  4  0  0  4  4  4  4  0  0  0  4  4  4  0  4  4  0  0  0  4
 0  0  0  0  0  0  4  0  0  0  0  0  0  4  0  0  0  4  4  0  4  4  0  4  4  4  4  4  0  4  0
 0  0  0  0  0  0  0  4  4  4  0  0  4  4  4  4  4  0  0  4  0  4  0  4  4  0  4  4  4  4  0

generates a code of length 31 over Z8 who´s minimum homogenous weight is 24.

Homogenous weight enumerator: w(x)=1x^0+238x^24+176x^25+696x^26+640x^27+1647x^28+1408x^29+2488x^30+1744x^31+2601x^32+1328x^33+1672x^34+672x^35+710x^36+160x^37+136x^38+16x^39+46x^40+3x^44+2x^48

The gray image is a code over GF(2) with n=124, k=14 and d=48.
This code was found by Heurico 1.16 in 3.34 seconds.